CN111370206B - Automatic protection device for internal circuit of transformer - Google Patents
Automatic protection device for internal circuit of transformer Download PDFInfo
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- CN111370206B CN111370206B CN202010389370.4A CN202010389370A CN111370206B CN 111370206 B CN111370206 B CN 111370206B CN 202010389370 A CN202010389370 A CN 202010389370A CN 111370206 B CN111370206 B CN 111370206B
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- rotating
- matching
- cavity
- box body
- containing cavity
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
Abstract
The invention discloses an automatic protection device for an internal circuit of a transformer, which comprises a box body, wherein a containing cavity is arranged in the box body, a top connecting pipe is communicated and arranged in the upper end wall of the containing cavity, a top valve is communicated and arranged in the top connecting pipe, symmetrical bottom pipes are communicated and arranged in the lower end wall of the containing cavity, a bottom valve is communicated and arranged in the bottom pipe, the insulating iron ring is fixedly arranged in the containing cavity, the insulating iron ring is fixed with the containing cavity in an insulating way, and the two sides of the outer surface of the insulating iron ring are wound with insulating wires. And the mode that can supply nitrogen gas continuously is adopted to make the operational reliability of equipment improve, prevents to make equipment failure because of nitrogen gas is not enough.
Description
Technical Field
The invention relates to the technical field of transformer protection equipment, in particular to an automatic protection device for an internal circuit of a transformer.
Background
The transformer usually adopts the oil-immersed mode to dissipate heat, an iron core is arranged in the transformer, then the transformer is filled with oil, and the wire is introduced into the transformer in an insulated manner to be wound with the iron core, a series of problems and accidents can occur to the transformer in the process, for example, when equipment continuously works, the transformer is burnt out due to the sudden increase of weather reasons and loads, the reliability of the normal work of the transformer is reduced if the equipment is suddenly burnt out in the process, meanwhile, although the oil in the transformer is not inflammable, when the pressure in the transformer changes, the oil in the equipment is easy to leak when the pressure reducing valve can not quickly reduce the pressure of the oil, and more transformers are sealed in a welding mode, because the welded gap is not of an integrated structure, the oil is leaked from the gap, the transformer is disabled, the subsequent maintenance difficulty of personnel is increased, and the continuous use reliability of the equipment is reduced.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide an automatic protection device for an internal circuit of a transformer, which can solve the above problems in the prior art.
The invention is realized by the following technical scheme: the invention relates to an automatic protection device for an internal circuit of a transformer, which comprises a box body, wherein a containing cavity is arranged in the box body, a top connecting pipe is communicated and arranged in the upper end wall of the containing cavity, a top valve is communicated and arranged in the top connecting pipe, symmetrical bottom pipes are communicated and arranged in the lower end wall of the containing cavity, a bottom valve is communicated and arranged in the bottom pipe, an insulating iron ring is fixedly arranged in the containing cavity, the insulating iron ring is fixed with the containing cavity in an insulating way, insulating wires are wound on two sides of the outer surface of the insulating iron ring, the insulated wires extend out of the box body from the left side and the right side, the outer surfaces of the insulated wires are fixedly provided with insulated lantern rings, the insulating lantern ring is fixed with the box body, and a gas protection device used for pushing out transformer oil in the containing cavity in an emergency situation and protecting a circuit in the box body by using inert gas is arranged on the rear side of the containing cavity.
Further technical scheme, gas protection device including set up in bin in the box, bin in-connection is provided with a plurality of intermediate junction valves, the intermediate junction valve with hold the chamber intercommunication, bin one side intercommunication is provided with the via hole, via hole one side intercommunication is provided with middle box, be provided with in the box and be located the chamber is placed to the jar body in the box, middle box is fixed in the chamber end wall is placed to the jar body, jar body is placed the chamber downside and is provided with the gaseous subassembly of placing that is used for placing inert gas, and gaseous subassembly upside of placing is provided with and is located the jar body is placed the intracavity and can be realized that gaseous switch that places the inside automatic gas supply function of subassembly opens the subassembly.
Further technical scheme, gaseous subassembly of placing including set firmly in the jar body is placed the side of chamber bottom and is placed the case, the side is placed the incasement and is set firmly the stand, the stand outside is around being provided with a plurality of gas holders, the gas holder with the case up end is placed to the side offsets and is placed, the gas holder upside is provided with the handle of screwing, the intercommunication is provided with the top in the gas holder and links the pipe, the top link the pipe with middle box intercommunication, it is prior art to screw handle, top link pipe and gas holder.
Further technical scheme, the switch opening assembly including set firmly in bottom driving motor in the stand, the jar body is placed the chamber upside power and is connected and be provided with the top backing plate, the top backing plate does not have the middle inner chamber that slides, middle inner chamber both sides intercommunication that slides is provided with side spread groove and side groove, the gliding lift movable plate that is provided with in side spread groove and the side groove, be provided with in the lift movable plate be used for with handle chucking and rotatory chucking structure of screwing, be provided with the messenger in side groove and the side spread groove the lift drive structure of lift movable plate upgrading in order to realize with chucking structure lift complex.
According to the technical scheme, the clamping structure comprises an inner rotating block arranged in the lifting moving plate, the inner rotating block is connected with the lifting moving plate in a rotating fit mode, a penetrating inner cavity is formed in the inner rotating block, the bottom of the lifting moving plate is vertically provided with a drive, the inner rotating block rotates to drive a combination body, and a rotating clamping combination body for clamping the screwed handle is arranged between the penetrating inner cavity and the lifting moving plate and is driven by the inner rotating block in the rotating process.
According to the technical scheme, the rotation driving assembly comprises a bottom matching toothed ring fixed to the lower end face of the inner rotating block, a penetrating inner cavity penetrating through the bottom matching toothed ring is formed in the bottom matching toothed ring, a bottom matching motor is fixedly arranged on the lower end face of the lifting moving plate, a bottom bevel gear is arranged on one side of the bottom matching motor in a power connection mode, and the bottom bevel gear is meshed with the bottom matching toothed ring.
The further technical proposal is that the rotating and clamping assembly comprises a top toothed ring fixedly arranged on the upper end surface of the lifting and moving plate, the upper end surface of the internal rotating block is fixedly provided with symmetrical rotating seats, the rotating seats are internally provided with intermediate connecting rods in a rotating way, one side end surface of each intermediate connecting rod is fixedly provided with a meshing rotating bevel gear, the meshing rotating bevel gear is meshed with the top toothed ring, the other side of each intermediate connecting rod is rotatably provided with a rotating matching bevel gear, the rotating matching bevel gear is meshed with the top toothed ring, the outer threaded rod is rotatably arranged between the end walls at the two sides of the penetrating cavity, the outer surface of the outer threaded rod is provided with a thread line with opposite rotating directions, the outer surface of the outer threaded rod is fixedly provided with a lower side belt pulley, the outer surface of each intermediate connecting rod is fixedly provided with a rotating belt pulley, and the outer, the cooperation area will rotating band pulley and downside band pulley power are connected, the cooperation movable plate that is provided with the symmetry is connected to the opposite thread line screw-thread fit of turning of external screw thread pole surface, gliding being provided with of cooperation movable plate slips out the pole, roll-off pole one side has set firmly the clamp plate, the clamp plate terminal surface has set firmly a plurality of anti-skidding pressure teeth, the clamp plate with elasticity is provided with locking spring between the cooperation movable plate.
According to the technical scheme, the lifting driving structure comprises a rotating matching rod arranged between the upper end wall and the lower end wall of the side connecting groove and the side groove, a bottom driving motor is fixedly arranged at the bottom of the side groove, the bottom driving motor is in power connection with the matching rod in the side groove, the matching rod in the side connecting groove is in sliding fit connection with the lifting movable plate, and the matching rod in the side groove is in threaded fit connection with the lifting movable plate.
The invention has the beneficial effects that:
the device has simple structure, adopts the mode of fully discharging the oil in the transformer in emergency and filling the transformer with nitrogen, and adopts the mode of continuously supplying the nitrogen to improve the working reliability of the device and prevent the failure of the device due to insufficient nitrogen.
When the device works, inert gas can descend in an emergency state to be introduced into the containing cavity, the top connecting pipe and the bottom pipe are communicated with an oil storage tank and an oil pump inside the transformer, and the auxiliary effect of the gearbox oil leading-out device in the containing cavity is played.
When the circuit is in danger, the gearbox oil in the containing cavity is required to be rapidly led out to prevent the gearbox circuit and the shell from being damaged due to volume expansion, at the moment, the top valve and the bottom valve are opened to enable the gearbox oil in the containing cavity to be led out to the oil storage structure in the gearbox, and meanwhile, the screwing handle is screwed off under the action of the internal structure of the equipment to enable the inert gas in the gas storage tank to mainly take nitrogen as the main gas, the top connecting pipe enters the middle box body and the through hole and is diffused to the top of the containing cavity through the storage tank and the middle connecting valve, the gearbox oil in the containing cavity is gradually and quickly discharged to the oil storage structure, and if the gas storage tank is in short of gas, the equipment can timely open the screwing handle in the gas storage tank at different positions to supply gas.
When the screwing handle is screwed, the bottom part is matched with the motor to work and then drives the bottom bevel gear to rotate, the bottom bevel gear is meshed with the bottom part matching toothed ring, so that the bottom part matching toothed ring drives the inner rotating block to rotate, at the moment, the inner rotating block drives the rotating seat, the middle connecting rod and the meshing rotating bevel gear to rotate, the meshing rotating bevel gear rolls and rotates on the upper side of the top toothed ring, the rotating belt wheel drives the lower side belt wheel to rotate under the action of the matching belt after rotating, so that the outer threaded rod drives the matching movable plate to simultaneously approach the screwing handle after rotating, at the moment, the locking spring is extruded, the pressing plate and the anti-skidding pressing teeth are tightly clamped with the screwing handle, and the bottom driving motor drives the lifting movable plate to gradually move upwards after working so that the screwing handle gradually upwards in the screwing process and the storage handle in the screwing process The top connecting pipe in the gas tank can supply inert gas in the gas tank, in the process, the bottom driving motor can rotate to enable the gas tank at different positions to be opened and simultaneously supply gas, and the steps are reversely operated when the gas tank is closed.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of an internal overall structure of an automatic protection device for an internal circuit of a transformer according to the present invention;
FIG. 2 is a schematic view taken along the line A-A in FIG. 1;
FIG. 3 is a schematic view of the direction B-B in FIG. 1;
FIG. 4 is a schematic view of FIG. 1 taken along direction C;
FIG. 5 is a schematic view of FIG. 4 taken along direction D;
FIG. 6 is a schematic view of the direction E in FIG. 4;
FIG. 7 is a schematic view of FIG. 4 taken along direction F;
in the figure, a bottom valve 11, a bottom pipe 12, an insulating iron ring 13, an insulating collar 15, an insulating lead 16, a cavity 17, a box 18, a top valve 19, a top connecting pipe 21, a middle connecting valve 22, a storage box 23, a via hole 31, a middle box 32, a top connecting pipe 33, a screwing handle 34, a gas storage tank 35, a column 36, a side placing box 37, a tank placing cavity 38, a matching rod 41, a side connecting groove 42, a middle sliding cavity 43, a side groove 44, a lifting moving plate 45, a bottom driving motor 46, a top cushion plate 47, a bottom driving motor 48, a top toothed ring 51, a meshing rotating bevel gear 52, a middle connecting rod 53, a rotating seat 54, a rotating belt wheel 55, an external threaded rod 56, a penetrating cavity 57, a matching moving plate 58, a matching belt 59, a lower side belt wheel 61, an internal rotating block 62, a bottom matching toothed ring 63, a rotating matching bevel gear 71, a bottom matching motor 72, A slide-out rod 81, a locking spring 82, a pressure plate 83 and an anti-skid pressure tooth 84.
Detailed Description
As shown in fig. 1 to 7, the present invention is explained in detail, and for convenience of description, the following orientations are defined as follows: the following upper, lower, left, right, front and back directions are consistent with the upper, lower, left, right, front and back directions of the projection relation of the transformer in fig. 1, the automatic protection device for the internal circuit of the transformer comprises a box body 18, a containing cavity 17 is arranged in the box body 18, a top connecting pipe 21 is communicated and arranged in the upper end wall of the containing cavity 17, a top valve 19 is communicated and arranged in the top connecting pipe 21, symmetrical bottom pipes 12 are communicated and arranged in the lower end wall of the containing cavity 17, a bottom valve 11 is communicated and arranged in the bottom pipes 12, an insulating iron ring 13 is fixedly arranged in the containing cavity 17, the insulating iron ring 13 is fixed with the containing cavity 17 in an insulating way, insulating wires 16 are wound on two sides of the outer surface of the insulating iron ring 13, the insulating wires 16 extend out of the box body 18 from the left side and the right side, an insulating sleeve ring, a gas protection device for pushing out the transformer oil in the cavity 17 in an emergency and protecting the circuit in the box 18 by using inert gas is arranged at the rear side of the cavity 17.
Beneficially, wherein, gaseous protection device including set up in bin 23 in the box 18, the intercommunication is provided with a plurality of intermediate junction valves 22 in the bin 23, intermediate junction valve 22 with hold the chamber 17 intercommunication, bin 23 one side intercommunication is provided with via hole 31, via hole 31 one side intercommunication is provided with middle box 32, be provided with in the box 18 and be located chamber 38 is placed to the jar body in the box 18, middle box 32 is fixed in the jar body is placed chamber 38 end wall, the jar body is placed chamber 38 downside and is provided with the gaseous subassembly of placing that is used for placing inert gas, and gaseous subassembly upside is placed and is provided with and is located the jar body is placed in chamber 38 and can be realized the inside automatic gas feed function's of gaseous subassembly switch opening subassembly.
Beneficially, the gas placing assembly includes a side placing box 37 fixedly disposed at the bottom of the tank placing cavity 38, a vertical column 36 is fixedly disposed in the side placing box 37, a plurality of gas storage tanks 35 are disposed around the outer side of the vertical column 36, the gas storage tanks 35 are disposed opposite to the upper end face of the side placing box 37, a screwing handle 34 is disposed on the upper side of the gas storage tanks 35, a top connecting pipe 33 is disposed in the gas storage tanks 35 in a communicating manner, the top connecting pipe 33 is communicated with the middle box body 32, and the screwing handle 34, the top connecting pipe 33 and the gas storage tanks 35 are in the prior art.
Beneficially, wherein the switch opening assembly comprises a bottom driving motor 48 fixedly arranged in the upright post 36, the upper side of the tank placing cavity 38 is provided with a top cushion plate 47 in a power connection manner, the top cushion plate 47 is not provided with a middle sliding inner cavity 43, two sides of the middle sliding inner cavity 43 are provided with a side connecting groove 42 and a side groove 44 in a communication manner, a lifting moving plate 45 is arranged in the side connecting groove 42 and the side groove 44 in a sliding manner, a clamping structure for clamping and rotating the screwing handle 34 is arranged in the lifting moving plate 45, and a lifting driving structure for upgrading the lifting moving plate 45 to realize lifting matching with the clamping structure is arranged in the side groove 44 and the side connecting groove 42.
Advantageously, the clamping structure includes an inner rotating block 62 disposed in the lifting moving plate 45, the inner rotating block 62 is connected with the lifting moving plate 45 in a rotating fit manner, a penetrating inner cavity 64 is disposed in the inner rotating block 62, a rotating driving assembly for driving the inner rotating block 62 to rotate is vertically disposed at the bottom of the lifting moving plate 45, and a rotating clamping assembly for clamping the screwing handle 34 during the rotation of the inner rotating block 62 is disposed between the penetrating inner cavity 64 and the lifting moving plate 45.
Advantageously, the rotation driving assembly comprises a bottom matching gear ring 63 fixed to the lower end surface of the inner rotating block 62, a penetrating inner cavity 57 is arranged in the bottom matching gear ring 63, a bottom matching motor 72 is fixed to the lower end surface of the lifting moving plate 45, a bottom bevel gear 73 is arranged on one side of the bottom matching motor 72 in a power connection mode, and the bottom bevel gear 73 is meshed with the bottom matching gear ring 63.
Advantageously, the rotating clamping assembly comprises a top toothed ring 51 fixed on the upper end surface of the lifting moving plate 45, a symmetrical rotating seat 54 is fixed on the upper end surface of the inner rotating block 62, an intermediate connecting rod 53 is arranged inside the rotating seat 54, an engaging rotating bevel gear 52 is fixed on one side end surface of the intermediate connecting rod 53, the engaging rotating bevel gear 52 is engaged with the top toothed ring 51, a rotating matching bevel gear 71 is rotatably arranged on the other side of the intermediate connecting rod 53, the rotating matching bevel gear 71 is engaged with the top toothed ring 51, an external threaded rod 56 is rotatably arranged between the two side end walls of the through inner cavity 64, the outer surface of the external threaded rod 56 is provided with threads with opposite rotating directions, the outer surface of the external threaded rod 56 is fixedly provided with a lower side belt pulley 61, the outer surface of the intermediate connecting rod 53 is fixedly provided with a rotating belt pulley 55, rotating band pulley 55 and downside band pulley 61 surface power connection are provided with cooperation area 59, cooperation area 59 will rotating band pulley 55 and downside band pulley 61 power connection, the opposite thread line screw-thread fit connection of the spiral of external screw thread pole 56 surface is provided with symmetrical cooperation movable plate 58, gliding the being provided with in the cooperation movable plate 58 slips out pole 81, it has set firmly clamp plate 83 to slip out pole 81 one side, clamp plate 83 terminal surface sets firmly a plurality of anti-skidding pressure teeth 84, clamp plate 83 with the elasticity is provided with locking spring 82 between the cooperation movable plate 58.
Advantageously, the lifting driving structure includes a rotating engaging rod 41 disposed between the side connecting groove 42 and the upper and lower end walls of the side groove 44, a bottom driving motor 46 is fixedly disposed at the bottom of the side groove 44, the bottom driving motor 46 is in power connection with the engaging rod 41 located in the side groove 44, the engaging rod 41 located in the side connecting groove 42 is in sliding fit connection with the lifting moving plate 45, and the engaging rod 41 located in the side groove 44 is in threaded fit connection with the lifting moving plate 45.
When the device, the components and the structure are in a stop working state in an initial state, and when the device works, inert gas can be descended in an emergency state and is introduced into the accommodating cavity 17, the top connecting pipe 21 and the bottom pipe 12 are communicated with an oil storage tank and an oil pump in the transformer, and the auxiliary effect on the gearbox oil guiding-out device in the accommodating cavity 17 is achieved.
When the circuit is in danger, the gearbox oil in the cavity 17 needs to be quickly led out of the device to prevent the gearbox circuit and the shell from being damaged due to volume expansion, the top valve 19 and the bottom valve 11 are opened at this time, so that the transmission oil in the cavity 17 is led out to an oil storage structure inside the transmission, and at the same time, the screwing handle 34 is unscrewed under the action of the internal structure of the equipment, so that the inert gas in the gas storage tank 35, and mainly takes nitrogen as the main gas, enters the middle box body 32 and the leading-through hole 31 through the top connecting pipe 33, is diffused to the top of the cavity 17 through the storage tank 23 and the middle connecting valve 22, gradually accelerates the transmission oil in the cavity 17 to be discharged to an oil storage structure, in the process, if the air storage tank 35 is short of air, the equipment can timely open the screwing handle 34 in the air storage tank 35 at different positions for air supply.
When the tightening handle 34 is screwed, firstly, the bottom matching motor 72 works to drive the bottom bevel gear 73 to rotate, the bottom matching toothed ring 63 drives the inner rotating block 62 to rotate due to the meshing of the bottom bevel gear 73 and the bottom matching toothed ring 63, at this time, the inner rotating block 62 drives the rotating seat 54, the middle connecting rod 53 and the meshing rotating bevel gear 52 to rotate due to the rotation of the inner rotating block 62, the meshing rotating bevel gear 52 rolls and rotates on the upper side of the top toothed ring 51, the lower side belt wheel 61 is driven to rotate under the action of the matching belt 59 after the rotation of the rotating belt wheel 55, the outer threaded rod 56 drives the matching moving plate 58 to simultaneously approach the tightening handle 34 after rotating, at this time, the locking spring 82 is pressed, and the pressing plate 83 and the anti-skid pressing teeth 84 are tightly clamped with the tightening handle 34, and the bottom driving motor 46 drives the lifting moving plate 45 to gradually move upwards after working, so that the screwing handle 34 gradually moves upwards in the screwing process, so that the top connecting pipe 33 in the gas storage tank 35 can supply inert gas in the gas storage tank 35, in the process, the bottom driving motor 48 rotates to enable the gas storage tanks 35 at different positions to be opened and simultaneously supply gas, and when the screwing handle is closed, the steps are reversely operated.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (1)
1. An automatic protection device for an internal circuit of a transformer comprises a box body, wherein a containing cavity is arranged in the box body, a top connecting pipe is communicated and arranged in the upper end wall of the containing cavity, a top valve is communicated and arranged in the top connecting pipe, symmetrical bottom pipes are communicated and arranged in the lower end wall of the containing cavity, a bottom valve is communicated and arranged in the bottom pipe, an insulating iron ring is fixedly arranged in the containing cavity, the insulating iron ring is fixed with the containing cavity in an insulating way, insulating wires are wound on two sides of the outer surface of the insulating iron ring, the insulated wires extend out of the box body from the left side and the right side, the outer surfaces of the insulated wires are fixedly provided with insulated lantern rings, the insulating lantern ring is fixed with the box body, and a gas protection device used for pushing out transformer oil in the containing cavity in an emergency and protecting a circuit in the box body by using inert gas is arranged on the rear side of the containing cavity;
the gas protection device comprises a storage box arranged in the box body, a plurality of intermediate connecting valves are arranged in the storage box in a communicating manner, the intermediate connecting valves are communicated with the containing cavity, a via hole is arranged on one side of the storage box in a communicating manner, an intermediate box body is arranged on one side of the via hole in the communicating manner, a tank body placing cavity located in the box body is arranged in the box body, the intermediate box body is fixed on the end wall of the tank body placing cavity, a gas placing component for placing inert gas is arranged on the lower side of the tank body placing cavity, and a switch opening component which is located in the tank body placing cavity and can realize the automatic gas supply function in the;
the gas placing assembly comprises a side placing box fixedly arranged at the bottom of the tank placing cavity, an upright post is fixedly arranged in the side placing box, a plurality of gas storage tanks are arranged around the outer side of the upright post and are abutted against the upper end surface of the side placing box, a screwing handle is arranged on the upper side of each gas storage tank, top connecting pipes are arranged in the gas storage tanks in a communicating manner, and the top connecting pipes are communicated with the middle tank body;
the switch opening assembly comprises a bottom driving motor fixedly arranged in the stand column, a top base plate is arranged on the upper side of the tank body placing cavity in a power connection mode, the top base plate is not provided with a middle sliding inner cavity, two sides of the middle sliding inner cavity are provided with side connecting grooves and side grooves in a communication mode, a lifting moving plate is arranged in the side connecting grooves and the side grooves in a sliding mode, a clamping structure used for clamping and rotating the screwing handle is arranged in the lifting moving plate, and a lifting driving structure used for upgrading the lifting moving plate to achieve lifting matching with the clamping structure is arranged in the side grooves and the side connecting grooves;
the clamping structure comprises an inner rotating block arranged in the lifting moving plate, the inner rotating block is connected with the lifting moving plate in a rotating fit mode, a penetrating inner cavity is formed in the inner rotating block, a rotating driving assembly for driving the inner rotating block to rotate is vertically arranged at the bottom of the lifting moving plate, and a rotating clamping assembly for clamping the screwing handle in the rotating process of the inner rotating block is arranged between the penetrating inner cavity and the lifting moving plate;
the rotating driving assembly comprises a bottom matching toothed ring fixed with the lower end face of the inner rotating block, a penetrating inner cavity is formed in the bottom matching toothed ring, a bottom matching motor is fixedly arranged on the lower end face of the lifting moving plate, a bottom bevel gear is arranged on one side of the bottom matching motor in a power connection mode, and the bottom bevel gear is meshed with the bottom matching toothed ring;
the rotating clamping assembly comprises a top toothed ring fixedly arranged on the upper end surface of the lifting movable plate, symmetrical rotating seats are fixedly arranged on the upper end surface of the inner rotating block, an intermediate connecting rod is arranged in the rotating seats in a rotating mode, a meshing rotating bevel gear is fixedly arranged on the end surface of one side of the intermediate connecting rod and is meshed with the top toothed ring, a rotating matching bevel gear is rotatably arranged on the other side of the intermediate connecting rod and is meshed with the top toothed ring, an outer threaded rod is rotatably arranged between the end walls of the two sides of the inner cavity in a penetrating mode, the outer surface of the outer threaded rod is provided with threaded lines with opposite rotating directions, a lower side belt wheel is fixedly arranged on the outer surface of the outer threaded rod, a rotating belt wheel is fixedly arranged on the outer surface of the intermediate connecting rod, and a matching belt is dynamically connected with the outer, the matching belt is used for dynamically connecting the rotating belt wheel with the lower side belt wheel, symmetrical matching moving plates are arranged on the outer surface of the outer threaded rod in a threaded matching mode in a threaded manner, a sliding rod is arranged in the matching moving plates in a sliding mode, a pressing plate is fixedly arranged on one side of the sliding rod, a plurality of anti-sliding pressing teeth are fixedly arranged on the end face of the pressing plate, and a locking spring is elastically arranged between the pressing plate and the matching moving plates;
the lifting driving structure comprises a rotating matching rod arranged between the upper end wall and the lower end wall of the side connecting groove and the side groove, a bottom driving motor is fixedly arranged at the bottom of the side groove, the bottom driving motor is in power connection with the matching rod in the side groove, the bottom driving motor is located in the side connecting groove, the matching rod is in sliding fit connection with the lifting movable plate, and the matching rod in the side groove is in threaded fit connection with the lifting movable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010389370.4A CN111370206B (en) | 2020-05-10 | 2020-05-10 | Automatic protection device for internal circuit of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010389370.4A CN111370206B (en) | 2020-05-10 | 2020-05-10 | Automatic protection device for internal circuit of transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111370206A CN111370206A (en) | 2020-07-03 |
| CN111370206B true CN111370206B (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010389370.4A Active CN111370206B (en) | 2020-05-10 | 2020-05-10 | Automatic protection device for internal circuit of transformer |
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| CN (1) | CN111370206B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2381350Y (en) * | 1999-08-11 | 2000-06-07 | 常州市江南电力设备厂 | Nitrogen extinguisher for transformer |
| WO2007055588A1 (en) * | 2005-11-11 | 2007-05-18 | Norsk Hydro Produksjon A.S | Leak resistant compensation system |
| CN105080001A (en) * | 2014-05-19 | 2015-11-25 | 庄孟文 | Anti-explosion fire extinguishing device for transformer |
| CN209266137U (en) * | 2018-11-27 | 2019-08-16 | 浙江日新电气有限公司 | The fire extinguishing of oil-immersed transformer or oil storage tank and oil recovery device |
| CN111013053A (en) * | 2019-12-25 | 2020-04-17 | 象山奋凡消防科技有限公司 | Oil-immersed transformer fire-fighting cabinet capable of recycling oil |
-
2020
- 2020-05-10 CN CN202010389370.4A patent/CN111370206B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2381350Y (en) * | 1999-08-11 | 2000-06-07 | 常州市江南电力设备厂 | Nitrogen extinguisher for transformer |
| WO2007055588A1 (en) * | 2005-11-11 | 2007-05-18 | Norsk Hydro Produksjon A.S | Leak resistant compensation system |
| CN105080001A (en) * | 2014-05-19 | 2015-11-25 | 庄孟文 | Anti-explosion fire extinguishing device for transformer |
| CN209266137U (en) * | 2018-11-27 | 2019-08-16 | 浙江日新电气有限公司 | The fire extinguishing of oil-immersed transformer or oil storage tank and oil recovery device |
| CN111013053A (en) * | 2019-12-25 | 2020-04-17 | 象山奋凡消防科技有限公司 | Oil-immersed transformer fire-fighting cabinet capable of recycling oil |
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| Publication number | Publication date |
|---|---|
| CN111370206A (en) | 2020-07-03 |
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